1. in a manner related by blood; as relatives or family members
Usage: formal; linguistics/anthropology context
2. in a way that shares a common origin or etymology; as cognate words or languages
Usage: linguistics

Examples

• The two families were cognately connected through their shared ancestry.
• English and German are cognately related as Germanic languages.
• The words 'father' and 'padre' are cognately derived from Latin roots.
• Linguists study how languages develop cognately over centuries.
• The cousins were cognately bound by their family lineage.